update Vue to match vue-template-compiler

package.json

@@ -43,7 +43,7 @@
     "timeago.js": "^2.0.5",
     "underscore": "^1.8.3",
     "visibilityjs": "^1.2.4",
-    "vue": "^2.2.4",
+    "vue": "^2.2.6",
     "vue-loader": "^11.3.4",
     "vue-resource": "^0.9.3",
     "vue-template-compiler": "^2.2.6",

yarn.lock

@@ -5252,9 +5252,9 @@ vue-template-es2015-compiler@^1.2.2:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/vue-template-es2015-compiler/-/vue-template-es2015-compiler-1.5.1.tgz#0c36cc57aa3a9ec13e846342cb14a72fcac8bd93"
 
-vue@^2.2.4:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/vue/-/vue-2.2.4.tgz#d0a3a050a80a12356d7950ae5a7b3131048209cc"
+vue@^2.2.6:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/vue/-/vue-2.2.6.tgz#451714b394dd6d4eae7b773c40c2034a59621aed"
 
 watchpack@^1.3.1:
   version "1.3.1"